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3 years ago

PLEASE HELP MEE RN! DUE IN 5 MINS SHOW YOUR WORK PLEASE

Mathematics

1 answer:

77julia77 [94]3 years ago

5 0

Answer:

x = 0

y = -12

Step-by-step explanation:

Plug in what y is equal to into the second equation

-3(x - 12) = 2x + 36

Distribute the -3

-3x + 36 = 2x + 36

-36 -36

-3x = 2x

They cannot be equal so x = 0

Plug in 0 into the y equation

y = 0 - 12

y = -12

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Answer:

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3 years ago

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The diameter of a circle is 3 cm. Find the circumference to the nearest tenth.

nika2105 [10]

Answer:

The answer is 9.4 cm.

Step-by-step explanation:

To solve for the circumference of the circle, use the circumference formula, which is C = 2 $\pi$ $r$ .

Next, in the problem, the circle has a diameter measure but no radius measure. To find the radius of this circle, divide the diameter (3 cm) by 2, and it will equal 1.5 cm. The radius is being divided by 2 because the radius of any circle is equal to half the diameter of the circle.

Then, plug in the information given from the problem into the formula, and the formula will look like C = (2) ( $\pi$ ) (1.5 cm).

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3 years ago

Calculate the median of the data set below. {0.3, 1.5, 3.8, 2.6, 1.5, 9.1, 4.2, 3.8, 1.5, 2.9} A. 3.8 B. 3.35 C. 2.75 D. 2.5

vekshin1

Answer:

2.75

Step-by-step explanation:

0.3,1.5,1.5,1.5,2.6,2.9,3.8,3.8,4.2,9.1

(smaller to greater)

middle of this is 2.6 and 2.9

so, 2.6+2.9=5.5

now we divide it by 2

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3 years ago